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From: Jaegeuk Kim <jaegeuk@kernel.org>
To: Wenjie Qi <qwjhust@gmail.com>
Cc: chao@kernel.org, qiwenjie@xiaomi.com,
	linux-kernel@vger.kernel.org,
	linux-f2fs-devel@lists.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH v3] f2fs: don't leave the hashed inode while it's unlinked
Date: Wed, 26 Aug 2026 00:11:49 +0000	[thread overview]
Message-ID: <ao4vRT_SbvNfSUTD@google.com> (raw)
In-Reply-To: <20260825173111.1151141-1-qiwenjie@xiaomi.com>

On 08/26, Wenjie Qi wrote:
> Hi Jaegeuk,
> 
> Yes, that's true for the normal path.
> 
> What I meant is the rollback case: err is non-zero, but __do_unlink()
> may still return ret == 0. If the preceding f2fs_add_link() has already
> been checkpointed, a crash before the rollback deletion is checkpointed
> could expose the incomplete symlink again. Should we run f2fs_sync_fs()
> for !ret && IS_DIRSYNC(dir), while preserving err?

I get the point, but I feel that we don't really need to guarantee unlink, since
we're going to return an error anyways?

> 
> Regards,
> Wenjie
> 
> 
> _______________________________________________
> Linux-f2fs-devel mailing list
> Linux-f2fs-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel

WARNING: multiple messages have this Message-ID (diff)
From: Jaegeuk Kim via Linux-f2fs-devel <linux-f2fs-devel@lists.sourceforge.net>
To: Wenjie Qi <qwjhust@gmail.com>
Cc: linux-f2fs-devel@lists.sourceforge.net, qiwenjie@xiaomi.com,
	linux-kernel@vger.kernel.org
Subject: Re: [f2fs-dev] [PATCH v3] f2fs: don't leave the hashed inode while it's unlinked
Date: Wed, 26 Aug 2026 00:11:49 +0000	[thread overview]
Message-ID: <ao4vRT_SbvNfSUTD@google.com> (raw)
In-Reply-To: <20260825173111.1151141-1-qiwenjie@xiaomi.com>

On 08/26, Wenjie Qi wrote:
> Hi Jaegeuk,
> 
> Yes, that's true for the normal path.
> 
> What I meant is the rollback case: err is non-zero, but __do_unlink()
> may still return ret == 0. If the preceding f2fs_add_link() has already
> been checkpointed, a crash before the rollback deletion is checkpointed
> could expose the incomplete symlink again. Should we run f2fs_sync_fs()
> for !ret && IS_DIRSYNC(dir), while preserving err?

I get the point, but I feel that we don't really need to guarantee unlink, since
we're going to return an error anyways?

> 
> Regards,
> Wenjie
> 
> 
> _______________________________________________
> Linux-f2fs-devel mailing list
> Linux-f2fs-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel


_______________________________________________
Linux-f2fs-devel mailing list
Linux-f2fs-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel

  reply	other threads:[~2026-08-26  0:11 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-18 20:01 [PATCH] f2fs: don't leave the hashed inode while it's unlinked Jaegeuk Kim
2026-08-18 20:01 ` [f2fs-dev] " Jaegeuk Kim via Linux-f2fs-devel
2026-08-19  2:56 ` Chao Yu via Linux-f2fs-devel
2026-08-19  2:56   ` Chao Yu
2026-08-21 15:23 ` [f2fs-dev] [PATCH v2] " Jaegeuk Kim via Linux-f2fs-devel
2026-08-21 15:23   ` Jaegeuk Kim
2026-08-22  7:37   ` Chao Yu via Linux-f2fs-devel
2026-08-22  7:37     ` Chao Yu
2026-08-23  9:56   ` Wenjie Qi
2026-08-23  9:56     ` Wenjie Qi
2026-08-24 15:12     ` [f2fs-dev] " Jaegeuk Kim via Linux-f2fs-devel
2026-08-24 15:12       ` Jaegeuk Kim
2026-08-24 13:16   ` [f2fs-dev] " Chao Yu via Linux-f2fs-devel
2026-08-24 13:16     ` Chao Yu
2026-08-24 20:12   ` [f2fs-dev] [PATCH v3] " Jaegeuk Kim
2026-08-24 20:12     ` Jaegeuk Kim via Linux-f2fs-devel
2026-08-25  2:15     ` Chao Yu
2026-08-25  2:15       ` Chao Yu via Linux-f2fs-devel
2026-08-25  2:39     ` Wenjie Qi
2026-08-25  2:39       ` Wenjie Qi
2026-08-25 15:29       ` [f2fs-dev] " Jaegeuk Kim via Linux-f2fs-devel
2026-08-25 15:29         ` Jaegeuk Kim
2026-08-25 17:31         ` Wenjie Qi
2026-08-25 17:31           ` Wenjie Qi
2026-08-26  0:11           ` Jaegeuk Kim [this message]
2026-08-26  0:11             ` [f2fs-dev] " Jaegeuk Kim via Linux-f2fs-devel
2026-08-26  3:41     ` Wenjie Qi
2026-08-26  3:41       ` [f2fs-dev] " Wenjie Qi

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